@inproceedings{BiFaMa09c, author = {Daniel Bielefeld and Gernot Fabeck and Rudolf Mathar}, title = "Application-Specific Node Clustering of {IR-UWB} Sensor Networks with Two Classes of Nodes", booktitle = "Sixth International Symposium on Wireless Communication Systems ({IEEE} ISWCS)", address = {Siena, Italy}, month = Sep, year = 2009, hsb = {hsb910012498}, }